Modifications

Then with the Control key held down, click on the column header to be added to the chart (in the following capture this concerns the column D & E).

Then with the Control key held down, click on the column header to be added to the chart (in the following capture this concerns the column D & E).

[[fichier:SBK-Spreadsheet-50.png]]

[[fichier:SBK-Spreadsheet-50.png|640px]]

Then selects the menu entry "Insert | Chart..."  

Then selects the menu entry "Insert | Chart..."